What voltage and transformer capacity do I need to install the HZ311 TrueZONE panel?
The HZ311 requires an 18-30 VAC, 50/60 Hz transformer with a capacity of 40 VA or more. Honeywell offers two compatible options: the 40 VA Transformer (AT140A1042) and the 75 VA Transformer (AT175A1008). All VA specifications are rated at 24 VAC.
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